100706769721 has 2 divisors, whose sum is σ = 100706769722. Its totient is φ = 100706769720.

The previous prime is 100706769679. The next prime is 100706769749. The reversal of 100706769721 is 127967607001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81446881321 + 19259888400 = 285389^2 + 138780^2 .

It is a cyclic number.

It is not a de Polignac number, because 100706769721 - 2¹¹ = 100706767673 is a prime.

It is not a weakly prime, because it can be changed into another prime (100706769791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50353384860 + 50353384861.

It is an arithmetic number, because the mean of its divisors is an integer number (50353384861).

Almost surely, 2^100706769721 is an apocalyptic number.

It is an amenable number.

100706769721 is a deficient number, since it is larger than the sum of its proper divisors (1).

100706769721 is an equidigital number, since it uses as much as digits as its factorization.

100706769721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 222264, while the sum is 46.

The spelling of 100706769721 in words is "one hundred billion, seven hundred six million, seven hundred sixty-nine thousand, seven hundred twenty-one".